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AK37 PROJECT BLOCK DIAGRAMS

AK37 PROJECT BLOCK DIAGRAMS. FEATURES. AK37 GENERAL BLOCK DIAGRAM. SMPS BLOCK DIAGRAM. CONTROLLER BLOCK DIAGRAM. . VIDEO BLOCK DIAGRAM. STEREO BLOCK DIAGRAM. SCART BLOCK DIAGRAM. DEFLECTION BLOCK DIAGRAM. BASE BOARD BLOCK DIAGRAM. END SHOW. FEATURES

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AK37 PROJECT BLOCK DIAGRAMS

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  1. AK37 PROJECT BLOCK DIAGRAMS FEATURES . AK37 GENERAL BLOCK DIAGRAM . SMPS BLOCK DIAGRAM . CONTROLLER BLOCK DIAGRAM  . VIDEO BLOCK DIAGRAM . STEREO BLOCK DIAGRAM . SCART BLOCK DIAGRAM . DEFLECTION BLOCK DIAGRAM . BASE BOARD BLOCK DIAGRAM . END SHOW

  2. FEATURES • It is a remote controlled colour television • 100 programmes from VHF, UHF bands or cable channels can be preset • It can tune cable channels • Controlling the TV is very easy by its menu driven system • It has Euroconnector* socket for external devices (such as computer, video, video games, audio set, etc.) • A second Euroconnector* socket is available • Stereo sound systems* (German, Nicam or German+Nicam) are available • Virtual Dolby/3D Panorama* • Full function Teletext* (Fastext, Toptext) • It is possible to connect headphone* • Direct channel access* • A.P.S.* (Automatic Programming System) • All programmes can be named. • Programme swapping between last watched two programmes. • Forward or backward automatic tuning. • Sleep timer. • Automatic sound mute when no transmission. • When no valid signal is detected, after 5 minutes the TV switches itself automaticall to stand-by mode. • WSS* (Wide Screen Signalling) • NTSC Playback* • Front or Back SVHS* is available • Back AV in and Back AV out or Front AV in or Front AV in and Back AV our is available* • It is possible to connect external speaker* * optional

  3. AK37 BLOCK DIAGRAM SUB AMP TDA7261 SUBW L L PLL/VST TUNER UV1315/16 STEREO SOUND-MSP 34X0D/G VIRTUAL DOLBY-MSP 3411G AUDIO AMP TDA7269A R R HP AMP TDA1308 I2 C QSS IF MONO SERVICE CONNECTOR CRT VIDEO PROCESSOR STV2248C  CONTROLLER ST92195 EEPROM RGB AMP TDA6108 KEYPAD IR SENSOR VER AMP STV9306 VER. DEFL. VIDEO SWITCHING CIRCUITS +150 B+ SMPS MC44608 +14V - 14V HOR DRIVE BU2508 HOR. DEFL. FBT +8V +5V SVHS FAV/BAV +5V STBY SCART1 SCART2

  4. IC 804 IC 803 IC 802 AK37 SMPS BLOCK DIAGRAM D 803 +5V_S TR 802 PTC DEGAUSS COIL D 806 12 +5V 11 D 805 D891 +8V VCC 4 PFC COIL 13 3 +12V 15 D 810 VIN 6 +14V_A 16 R 831 R809 D 811 -14V_A 14 +33V 18 D800 D 808 B+ 17 8 DRAIN D 809 B+_P D889 MCR22_6 R 801 START UP MC44608 DMAG VI 1 8 D804 Q801 Q802 I_SENSE 2 7 STANDBY VCC CONT_IN 3 6 DRIVER GND 4 5 IC 800 IC 801 R848 4 1 SFH617A IC118 TL431 3 2 Q804 STANDBY-INV

  5. AK37 CONTROLLER BLOCK DIAGRAM  1 2 3 4 IC 501 A1 A2 MP VSS ST92195 ST24C08 IC 500 CVBS_TXT SVBS2 33 +5V_S VDD PTC VDD SCL SDA CVBS1 21 CVBS1 34 TU 201 8 7 6 5 P0.5_SCK 20 38.9MHZ_TVTUN P5.1_5DI_500 19 +5V_UPD FB AGC AS SCL SDA 18 VS VT VST IF 1 IF 2 FB_OSD HCTR AGC_OUT 1 2 3 4 5 6 7 8 9 10 11 R 17 (R-G-B)_OSD H_SYNC HSYNC G 16 40 SCL BAND2 BAND1 BAND0 +5V V_SYNC SDA IF_2 IF_1 B 15 VSYNC 41 MUTE BAND2 P3.4 14 SERVICE CONNECTOR P4.4_PWM4 +5V 46 BAND1 P3.5 13 IR_IN STANDBY 5 P3.6 BAND0 12 SCL 4 Q 503 SDA P0.6 P4.5_PWM5 3 4 47 2 SERVICE PIN P0.2 8 1 STANDBY-INV PL502 PL510 LED Conn. (optional) 1 2 A3/DSCRT P0.3 14 PL509 OSCOUT 50 X 501 1 A2/DSCRT P0.4 13 OSCIN 51 2 P0.5 A1/DSCRT 12 3 +8V 4 P2.3_INT6_VS01 54 5 RESET 2 6 KEYPAD Conn. +33V P2.2_INTO_AIN2 55 PL511 1 2 3 P0.2_INP 1 IR CONNECTOR (optional) P2.1_INT5_AIN1 56 IR_IN AV1_S AV2_S

  6. IC 403 2 2 1 1 1 4 1 5 3 2 4 2 3 2 3 3 1 2 4 4 5 5 6 6 1 TV PROCESSOR - STV 223x TV PROCESSOR Z401 SAW AK37 VIDEO BLOCK DIAGRAM SIFIN1 1 56 IC301 IF_1 A_OUT AUDIOOUT SIFIN2 TDA7269A 2 55 GNDD 3 54 VCC2N VCC1N GND IN1N IN2N IN2P IN1P VCCP OUT2 OUT1 MUTE VCCD +5 V 4 53 SDA 1 2 3 4 5 6 7 8 9 10 11 Z402 5 52 SAW IF_1 SCL PIFIN1 6 51 PL406 IF_2 PIFIN2 7 50 TUNER AGC_OUT 8 49 AGC_OUT HOUT HOUT 9 48 -14V_A VOUT VOUT QSS 10 47 MOUT_L MOUT_R AM_FMOUT +14V_A EXT_AO BCL BCL_SAF 11 46 _SC VCC1 +8 V 12 45 A_OUT PL301(R) PL302(L) MUTE CVBS OUT INT CVBSOUT CVBSOUT 13 44 EXT_AIN Z404 Z403 EXT AUDIO IN 43 14 VAMP VAMP 42 15 TRAP PL303 41 16 X401 +8 V VCC2 XTAL1 40 17 X402 PL304 CVBS IN1 XTAL2 39 18 XTAL3-BTUN 38 19 X403 JK303 SC1_CVBSIN CVBS IN2 37 20 ROSD 36 21 (R-G-B)_ OSD CVBS3 GOSD 35 22 PL407 +8 V CHRM BOSD CHR 34 23 6 ICATCH 33 5 24 4 +8V ROUT BEXT_UEXT 32 25 (R-G-B)_ VEST 3 FB-OSD 16/9-P0.0 LFB GOUT GEXT_YEXT 31 2 26 1 BOUT REXT_VEXT 30 27 PL405 FB_VEST CVBS-TXT FBEXT 29 28

  7. AK37 STEREO BLOCK DIAGRAM FR/BK_A_I_R FR/BK_A_I_R QSS A_OUT SC2_AIL SC1_AOL SC1_AOR SC2_AOR SC2_AOR SC1_AIR SC1_AIL SC2_AIR +8 V +5 V X 700 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 L R SC2_OUT L R SC1_OUT R L SC1_IN R L SC2_IN R L SC3_IN OUT IN XTAL AVSUP ANA_IN1+ AHVSUP IC 700 STBYQ DACA R L DACM R L DVSUP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 MSP 3410D_DIP PL701 1 2 +5 V SCL SDA R L MOUT MUTE +5 V IC 701 INB+ VSS 5 4 PL 700 INA+ INB- 3 6 1 INA- OUTB 2 7 HP 2 OUTA VDD +5V 3 1 8 TDA1308

  8. 2 1 1 2 3 3 2 1 JK102 AK37 SCART BLOCK DIAGRAM PL104 SC1_AI SC2_AI FR/BK-A-I-R +8V +8V SVHS_V/FRONT SC2_AOR SC2_AOL A1/DSCRT A2/DSCRT A3/DSCRT CHRM SC2_AIL AV2_S FR/BK_VIN SC2_AIR SC2_CVBSIN EXT-AIN SC2_CVBSIN FR/BK-V-IN +8V 2 8 20 6 A3/DSCRT A2/DSCRT 3 1 15 19 PL 101 CHRM CVBS3 SC1_AIR 27 23 29 37 SC1_CVBSIN 41 28 36 22 24 32 40 E_CVB-0 SC1_AIL SC1_AOL AV1_S R_EXT EXT_AO FR/BK_VIN G_EXT FB_EXT SC1_AOR B_EXT FR/BK VIDEO OUT FR/BK VIDEO IN E_CVBS-0 PL 102 SC1_AOR JK101 SC1_AOL FR/BK_A_I_R FR/BK_A_I_L

  9. +12 V 2 1 1 2 3 4 5 1 2 6 HDEFL YOKE AK37 DEFLECTION BLOCK DIAGRAM STV9306 EWFB SENS1 VS OUT VOPS EWOUT SENS2 GVD BREATHING FLYBACK SCL CRAMP SDA CHOLD SYNC IC 601 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 +14V SCL SDA PL602 V_PROT +12V +26V TR 601 EW_FEEDBACK VOUT VDEFL YOKE EW_OUT +26V EHT 5 +14V 6 BCL H_OUT 7 FOCUS VIDEO_B+ 9 H_SYNC EW G2 4 EW_FEEDBACK NC B+ 3 2 COLLECTOR EHT INFO 1 10 EW_OUT HOR DEFL CIRCUIT 12 13 VIDEO_B+ PL601 11 8 HEATER PL600

  10. AK37 BASE BOARD BLOCK DIAGRAM TDA6108 - RGB VIDEO AMPLIFIER IC 900 VI2 VOC3 VOC2 VOC1 VDD VI1 IOM VI3 GND 1 2 3 4 5 6 7 8 9 B G R 1 PL 901 PL 902 B 1 G 2 R 3 4 I_BL 5 CRT PL 900 PL 903 200 V 6 5 HEATER 4 3 AQUA 2 H_GND 1 PL 907 PL 906 PL 905 - SCREEN 1 1 1 1 PL 904 - AQUA END SHOW

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